preparatory drawing

用法例句

Friction Field Analyses and Processing Configuration Test of Spinning Draft;

细纱牵伸摩擦力界分析及工艺配置试验

Development of Draft Processing of Cotton Spinning(The First Part);

棉纺细纱大牵伸工艺的演变与发展(上)

Development of Draft Processing of Cotton Spinning(The Last Part);

棉纺细纱大牵伸工艺的演变与发展(下)

A primary analysis of the third generation of long drafting technology of spinning frame;

细纱机第三代大牵伸工艺机理浅析

Study and practice of spinning drafting and its upper spring pin of the pressure bar;

细纱牵伸及压力棒弹性上销的探讨和实践

Reformation of Domestic Spinning Frame Drafting Weighting and Drafting Processing Disposing;

国产细纱机牵伸加压改造及牵伸工艺配置

Polyblend fibers from liquid crystal polymers and polypropylene Ⅱ:drawing behavior of the polyblend fibers;

液晶高分子和聚丙烯的共混纤维(Ⅱ):纤维的牵伸性能

As to the curvilinear drafting form in two areas with the attached quaternion-up and quaternion-down guiding rollers and weight bars on the most conventional domestic drawing frame,detailed introduction is made to the performance of the weight bars of the drawing frame and the position of the weight bar is optimizaed.

针对大多数国产高速并条机牵伸装置采用四上四下附加导向辊、压力棒的双区曲线牵伸形式,详细分析了并条机压力棒的作用,指出了生产中并条机压力棒的最佳位置点,并用试验数据说明了纺制不同品种时,并条机压力棒位置不同可造成成纱质量的差异,应加强工艺试验研究,杜绝纤维变速点后移和分散。

LDPE/PA6 in-situ fibrillation composite fibers were prepared via different drawing rate.

本文采用低密度聚乙烯/尼龙6(LDPE/PA6)体系在不同牵伸速率条件下制备原位复合丝条,讨论了牵伸速率对丝条体系的结晶行为和微纤形态、分布的影响;分析了微纤结构对丝条体系粘流行为和拉伸性能的影响,同时对比了热压工艺、注射工艺对体系粘流行为和拉伸性能的影响。

Bardenheuer's extension

巴登霍伊厄氏牵伸术

pin drafter

针梳牵伸机, 针梳机

Modern controlled drafting systems use drafts of the order of 30.

新式的牵伸控制系统使用大约30倍牵伸。

The effect of different drawing condition and way on structure of PAN precursor

牵伸条件以及牵伸方式对PAN纤维结构的影响

Process Analysis about the Additional Pressure Bar in the Drafting Zone on the Spinning Frame

细纱机牵伸区附加压力棒牵伸工艺分析

Influence of Back Zone Drafting Multiple on Pressure Bar Drafting in Spinning Front Zone

后区牵伸倍数对细纱前区压力棒牵伸的影响

The application of traction to a fractured or dislocated limb to restore the normal position.

牵引，牵伸（术）为使骨折或脱位的肢体恢复原位而进行的牵伸动作

It pointed out that the drafting of mule should better use combination drafting and select right proportion of different drafting with different material.

文章指出，走锭细纱机牵伸应尽量采用混合牵伸方法，根据原料变化相应调整牵伸分配。

Modern drafting systems in the three-cylinder spinning mill are working with10 to200- fold main drafts.

现代纺纱厂中使用的三罗拉牵伸系统的主牵伸倍数为10～00。

For the measurement of drafting forces of staple the Shirley draftometer or a similar instrument is used.

至于测量短纤维的牵伸力，可以应用雪莱牵伸仪或其它类似仪器。

Effect of pressure bar in back drafting zone of SKF drafting system on spun yarn quality and optimizing drafting ratio

细纱机后区压力棒牵伸的效果及牵伸倍数的优化

Study on the Air Jet Flow in Slot Mechanism of Drawing of Spunbonding and Optimize the Structure;

纺粘狭缝牵伸器拉伸气流流场研究与结构优化

Study on air flow field with wide slot mechanism of positive drawing in spunbond process

纺粘宽狭缝正压牵伸器拉伸气流流场研究

During the drawing an adhesive is applied by rollers.

在牵伸过程中,通过罗拉施加粘合剂。

A roving is made and then drawn to a fine strand.

先制成纤维条子,再将其牵伸成细纱线。

A Discussinon about the Pendulum Arm Length for Spinning Ramie Staple

?麻长纤纺细纱机牵伸摇架长度探讨

The Alteration about Steam Condensation and Draining System of Chemical Fiber Stretch Machine;

化纤牵伸机蒸汽冷凝疏水系统的改造

Research and Optimization on Technologies of JF Drafting Equipment

JF型环锭细纱牵伸工艺研究与优化